fileinput.lineno()
fileinput.lineno() is a Python function in the Fileinput Module category. Returns the cumulative line number across all files. The syntax is fileinput.lineno(). Returns: Integer cumulative line number. A typical example: print(fileinput.lineno(), line). A close sibling is fileinput.input(), which iterates over lines from multiple input files (like awk). A close sibling is fileinput.filename(), which returns the current file name being processed. A close sibling is fileinput.filelineno(), which returns the line number in the current file (1-based). A close sibling is fileinput.isfirstline(), which returns True if the line is the first line of its file. More about this category: File input helper — input, filename, filelineno, nextfile. Related Fileinput Module entries: fileinput.input(), fileinput.filename(), fileinput.filelineno(), fileinput.isfirstline(), fileinput.nextfile(). This page is part of the free Python Reference documentation covering 978+ functions, methods, and modules with examples and parameter details. You can try fileinput.lineno() immediately in the Python playground, look up unfamiliar terms in the glossary, or return to the Python Reference homepage.